Navy vessel Lanzhou (above) of the Chinese Navy's 6th batch of flotilla takes part in an escort mission in the Gulf of Aden, July 15, 2010. Missile destroyer Guangzhou of the 5th batch of flotilla, Command ship Kunlunshan and navy vessel Lanzhou of the 6th batch of flotilla jointly escorted several merchant ships in the Gulf of Aden on Thursday.[Photo/Xinhua] |